DNS response history for dns1.rootcore.com.br

dns1.rootcore.com.br is a DNS nameserver monitored by NameServerHistory. This page provides historical DNS response-time data, nameserver uptime signals, DNS latency observations, resolved IP history, successful response counts, failed response counts, and reliability indicators for this nameserver.

The selected UTC date is 2026-08-26. For this date, NameServerHistory found 70 DNS check records, 69 successful responses, 1 failed responses, and 296 ms average response time. Current selected-date status: At least one successful DNS response was recorded for the selected date.

  • Use this report to investigate historical DNS uptime and nameserver reliability.
  • Compare DNS latency changes, failed DNS checks, and response behavior over time.
  • Review the latest resolved IP address and raw DNS check history for dns1.rootcore.com.br.
Records on Selected Date

70

Historical checks stored for this nameserver on selected date

Average Latency

296 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-26 23:47

All timestamps shown in UTC

Latest Resolved IP on Selected Date

177.136.237.51

Most recently resolved hosting IP on selected date

Successful Responses

69

Checks that returned a measurable response

Failed Responses

1

Checks with no response or no returned latency

Failure Rate

1%

Based on the selected date history

Selected Date Status

Responsive

At least one successful response exists on selected date

History for dns1.rootcore.com.br

Showing DNS history for 2026-08-26 UTC. Newest records appear first.

Latency bars are scaled to a maximum of 5000 ms for quick visual comparison.

# Query Time (UTC) Correlation ID Latency Response IP Address
70 2026-08-26 23:47 639233846871926285
418 ms 177.136.237.51
69 2026-08-26 22:53 639233814527872887
326 ms 177.136.237.51
68 2026-08-26 22:36 639233804315489381
45 ms 177.136.237.51
67 2026-08-26 22:19 639233793971346256
16 ms 177.136.237.51
66 2026-08-26 22:02 639233783644630463
196 ms 177.136.237.51
65 2026-08-26 21:44 639233773302621314
47 ms 177.136.237.51
64 2026-08-26 21:27 639233762896723748
48 ms 177.136.237.51
63 2026-08-26 21:10 639233752543876329
25 ms 177.136.237.51
62 2026-08-26 20:52 639233742155931788
78 ms 177.136.237.51
61 2026-08-26 20:35 639233731712555311
320 ms 177.136.237.51
60 2026-08-26 20:17 639233721164051126
46 ms 177.136.237.51
59 2026-08-26 20:00 639233710560486320
42 ms 177.136.237.51
58 2026-08-26 19:42 639233699834667450
36 ms 177.136.237.51
57 2026-08-26 18:47 639233667209186136
99 ms 177.136.237.51
56 2026-08-26 18:30 639233656814316266
2072 ms 177.136.237.51
55 2026-08-26 18:13 639233646245051806
27 ms 177.136.237.51
54 2026-08-26 17:55 639233635663779051
-
53 2026-08-26 17:37 639233624977342122
33 ms 177.136.237.51
52 2026-08-26 17:20 639233614446136153
22 ms 177.136.237.51
51 2026-08-26 17:02 639233603737877581
56 ms 177.136.237.51
50 2026-08-26 16:44 639233593269224651
2025 ms 177.136.237.51
49 2026-08-26 16:27 639233582635086903
20 ms 177.136.237.51
48 2026-08-26 16:09 639233572000374575
14 ms 177.136.237.51
47 2026-08-26 15:51 639233561188633861
58 ms 177.136.237.51
46 2026-08-26 15:33 639233550544357027
14 ms 177.136.237.51
45 2026-08-26 14:39 639233517966053117
59 ms 177.136.237.51
44 2026-08-26 14:22 639233507603253585
95 ms 177.136.237.51
43 2026-08-26 14:04 639233497229039167
28 ms 177.136.237.51
42 2026-08-26 13:47 639233486864546406
2023 ms 177.136.237.51
41 2026-08-26 13:30 639233476455174682
108 ms 177.136.237.51
40 2026-08-26 13:12 639233466171592605
45 ms 177.136.237.51
39 2026-08-26 12:55 639233455747096265
65 ms 177.136.237.51
38 2026-08-26 12:38 639233445367152284
37 ms 177.136.237.51
37 2026-08-26 12:21 639233434974187439
307 ms 177.136.237.51
36 2026-08-26 12:03 639233424567558554
39 ms 177.136.237.51
35 2026-08-26 11:46 639233414056832719
36 ms 177.136.237.51
34 2026-08-26 11:28 639233403515141099
72 ms 177.136.237.51
33 2026-08-26 10:33 639233370841350248
32 ms 177.136.237.51
32 2026-08-26 10:16 639233360361507238
53 ms 177.136.237.51
31 2026-08-26 09:59 639233350067824371
32 ms 177.136.237.51
30 2026-08-26 09:42 639233339545274518
34 ms 177.136.237.51
29 2026-08-26 09:24 639233329214918079
321 ms 177.136.237.51
28 2026-08-26 09:07 639233318749762337
50 ms 177.136.237.51
27 2026-08-26 08:50 639233308387917838
2414 ms 177.136.237.51
26 2026-08-26 08:32 639233297961740122
26 ms 177.136.237.51
25 2026-08-26 08:15 639233287487159094
52 ms 177.136.237.51
24 2026-08-26 07:57 639233276995531707
30 ms 177.136.237.51
23 2026-08-26 07:40 639233266521568229
64 ms 177.136.237.51
22 2026-08-26 07:22 639233256081047431
2016 ms 177.136.237.51
21 2026-08-26 06:28 639233223620132921
95 ms 177.136.237.51
20 2026-08-26 06:11 639233213287814244
23 ms 177.136.237.51
19 2026-08-26 05:54 639233202925983161
36 ms 177.136.237.51
18 2026-08-26 05:37 639233192644780696
72 ms 177.136.237.51
17 2026-08-26 05:19 639233182401183833
25 ms 177.136.237.51
16 2026-08-26 05:02 639233172074181051
2185 ms 177.136.237.51
15 2026-08-26 04:45 639233161808421455
215 ms 177.136.237.51
14 2026-08-26 04:28 639233151357344052
77 ms 177.136.237.51
13 2026-08-26 04:11 639233141034116946
42 ms 177.136.237.51
12 2026-08-26 03:54 639233130828334142
86 ms 177.136.237.51
11 2026-08-26 03:36 639233120373450007
31 ms 177.136.237.51
10 2026-08-26 03:19 639233110066216193
298 ms 177.136.237.51
9 2026-08-26 02:26 639233078065410564
77 ms 177.136.237.51
8 2026-08-26 02:08 639233067787457832
34 ms 177.136.237.51
7 2026-08-26 01:51 639233057501801162
497 ms 177.136.237.51
6 2026-08-26 01:34 639233047089431703
27 ms 177.136.237.51
5 2026-08-26 01:17 639233036754790688
32 ms 177.136.237.51
4 2026-08-26 01:00 639233026412602472
39 ms 177.136.237.51
3 2026-08-26 00:42 639233016064066127
2025 ms 177.136.237.51
2 2026-08-26 00:25 639233005922655772
30 ms 177.136.237.51
1 2026-08-26 00:08 639232995672256907
379 ms 177.136.237.51